Note 5 - Loans and Allowance for Credit Losses - Aging Analysis of Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025	Jun. 30, 2025
Loans	$ 3,059,887	$ 2,175,973	$ 2,106,355
Financial Asset, Not Past Due [Member]
Loans	3,035,710	2,161,341
Financial Asset, 30 to 59 Days Past Due [Member]
Loans	10,055	4,798
Financial Asset, 60 to 89 Days Past Due [Member]
Loans	5,237	4,086
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	8,885	5,748
Greater Than Ninety Days and Accruing [Member]
Loans	889	2
Real Estate Portfolio Segment [Member]
Loans	2,343,996	1,571,279
Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans	2,320,842	1,557,067
Real Estate Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	9,623	4,498
Real Estate Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	4,964	4,001
Real Estate Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	8,567	5,713
Real Estate Portfolio Segment [Member] \| Greater Than Ninety Days and Accruing [Member]
Loans	889	0
Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Loans	261,799	147,980	141,654
Real Estate Portfolio Segment [Member] \| Construction Loans [Member] \| Financial Asset, Not Past Due [Member]
Loans	256,578	147,862
Real Estate Portfolio Segment [Member] \| Construction Loans [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	2,265	56
Real Estate Portfolio Segment [Member] \| Construction Loans [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	2,092	19
Real Estate Portfolio Segment [Member] \| Construction Loans [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	864	43
Real Estate Portfolio Segment [Member] \| Construction Loans [Member] \| Greater Than Ninety Days and Accruing [Member]
Loans	859	0
Real Estate Portfolio Segment [Member] \| 1-4 Family [Member]
Loans	907,385	376,238	387,796
Real Estate Portfolio Segment [Member] \| 1-4 Family [Member] \| Financial Asset, Not Past Due [Member]
Loans	898,481	365,725
Real Estate Portfolio Segment [Member] \| 1-4 Family [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	598	4,442
Real Estate Portfolio Segment [Member] \| 1-4 Family [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	2,758	1,950
Real Estate Portfolio Segment [Member] \| 1-4 Family [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	5,548	4,121
Real Estate Portfolio Segment [Member] \| 1-4 Family [Member] \| Greater Than Ninety Days and Accruing [Member]
Loans	30	0
Real Estate Portfolio Segment [Member] \| Multifamily Loans [Member]
Loans	144,234	130,005	102,569
Real Estate Portfolio Segment [Member] \| Multifamily Loans [Member] \| Financial Asset, Not Past Due [Member]
Loans	144,062	130,005
Real Estate Portfolio Segment [Member] \| Multifamily Loans [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	0	0
Real Estate Portfolio Segment [Member] \| Multifamily Loans [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	0	0
Real Estate Portfolio Segment [Member] \| Multifamily Loans [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	172	0
Real Estate Portfolio Segment [Member] \| Multifamily Loans [Member] \| Greater Than Ninety Days and Accruing [Member]
Loans	0	0
Real Estate Portfolio Segment [Member] \| Farmland [Member]
Loans	9,850	4,788	4,519
Real Estate Portfolio Segment [Member] \| Farmland [Member] \| Financial Asset, Not Past Due [Member]
Loans	9,850	4,788
Real Estate Portfolio Segment [Member] \| Farmland [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	0	0
Real Estate Portfolio Segment [Member] \| Farmland [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	0	0
Real Estate Portfolio Segment [Member] \| Farmland [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	0	0
Real Estate Portfolio Segment [Member] \| Farmland [Member] \| Greater Than Ninety Days and Accruing [Member]
Loans	0	0
Real Estate Portfolio Segment [Member] \| Commercial Real Estate [Member]
Loans	1,020,728	912,268
Real Estate Portfolio Segment [Member] \| Commercial Real Estate [Member] \| Financial Asset, Not Past Due [Member]
Loans	1,011,871	908,687
Real Estate Portfolio Segment [Member] \| Commercial Real Estate [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	6,760	0
Real Estate Portfolio Segment [Member] \| Commercial Real Estate [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	114	2,032
Real Estate Portfolio Segment [Member] \| Commercial Real Estate [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	1,983	1,549
Real Estate Portfolio Segment [Member] \| Commercial Real Estate [Member] \| Greater Than Ninety Days and Accruing [Member]
Loans	0	0
Commercial Portfolio Segment [Member]
Loans	703,279	595,263	531,460
Commercial Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans	702,511	594,886
Commercial Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	299	291
Commercial Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	264	81
Commercial Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	205	5
Commercial Portfolio Segment [Member] \| Greater Than Ninety Days and Accruing [Member]
Loans	0	2
Consumer Portfolio Segment [Member]
Loans	12,612	9,431	$ 10,166
Consumer Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans	12,357	9,388
Consumer Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	133	9
Consumer Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	9	4
Consumer Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	113	30
Consumer Portfolio Segment [Member] \| Greater Than Ninety Days and Accruing [Member]
Loans	$ 0	$ 0

Note 5 - Loans and Allowance for Credit Losses - Aging Analysis of Loans (Details) - USD ($)
$ in Thousands

Jun. 30, 2026

Dec. 31, 2025

Jun. 30, 2025

Loans

$ 3,059,887

$ 2,175,973

$ 2,106,355

Financial Asset, Not Past Due [Member]

Loans

3,035,710

2,161,341